//#include<stdio.h>

//int main()
//{
	//printf("hello world\n");
	//return 0;
//}


//#include<stdio.h>

//int main()
//{
	//int a, b, sum;
	//a = 1; b = 2;
	//sum = a + b;
	//pr//intf("sum is %d\n ", sum);
	//return 0;
//}


#include<stdio.h>
#define  _CRT_SECURE_NO_WARNINGS
int main()
{
	int max(intx, inty);
	int a, b, c;
	scanf_s("%d,%d,", &a, &b);
	c=max(a, b);
	printf("max=%d\n", c);
	return 0;
}

int max(int x, int y)
{int z;
if (x>y) z=x;
else z=y;
return (z);
}